LM3553SDX/NOPB National Semiconductor, LM3553SDX/NOPB Datasheet - Page 6

• Manufacturer Part Number: LM3553SDX/NOPB
• Description: IC LED DRIVER PHOTO FLASH 12-LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Photo Flash LED (I²C Interface)r

Specifications of LM3553SDX/NOPB

• Topology: Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight, Flash/Torch
• Frequency: 1MHz ~ 1.35MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 12-LLP
• Operating Temperature: -30°C ~ 85°C
• Current - Output / Channel: 1.2A
• Internal Switch(s): Yes
• Efficiency: 90%
• For Use With: LM3553SDEV - BOARD EVALUATION FOR LM3553S
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Other names: LM3553SDX

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Typical Performance Characteristics
R
LEDs;.
SET
= 16.5kΩ; C
Maximum LED Drive Current @ V
Voltage Mode Load Regulation
IN
1.0A Flash Line Regulation
= 10µF, C
OUT
= 10µF;L = 2.2µH; VFB bit = CL bit = '0'; OVP bit = '0' for 1 LED and VFB = '1' for two series
IN
= 3.6V
20171422
20171424
20171421
6
Unless otherwise specified: T
Input Current and LED Efficiency
Voltage Mode Line Regulation
1.2A Flash Line Regulation
with 1A Flash Current
A
= 25°C; V
IN
= 3.6V; V
20171423
20171420
M/F
20171429
= V
IN
;